Nanoparticle formation during laser ablation of solids in liquids |
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Authors: | A V Simakin V V Voronov G A Shafeev |
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Institution: | (1) Prokhorov General Physics Institute, Russian Academy of Sciences, Moscow, 119991, Russia |
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Abstract: | The experimental data on the generation of metal and semiconductor nanoparticles during their laser ablation in liquids is
reviewed. The dependence of the morphology of noble metal nanoparticles on the liquid type and laser parameters is discussed.
The data on the kinetics of the formation of alloyed Au-Ag nanoparticles under laser irradiation of a mixture of colloid solutions
of individual nanoparticles are presented. The effect of femtosecond laser beam self-action during metal ablation in liquids
via the second harmonic generation at Ag nanoclusters is discussed. The data on the generation of core-shell nanoparticles
during laser ablation of alloys and in the presence of the chemical interaction of formed nanoparticles with surrounding liquid
are presented. It was shown that laser ablation of CdS and ZnSe crystals leads to the formation of quantum dots of these semiconductors
in solution. The parameters controlling the properties of nanoparticles during ablation in liquids and possible applications
of the method are discussed. |
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